libempathy-gtk/empathy-group-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Xavier Claessens <xclaesse@gmail.com>
  25  */
  26
  27 #include "config.h"
  28
  29 #include <string.h>
  30
  31 #include <gtk/gtk.h>
  32 #include <glade/glade.h>
  33 #include <glib/gi18n.h>
  34
  35 #include <libempathy/empathy-tp-chat.h>
  36 #include <libempathy/empathy-tp-chatroom.h>
  37 #include <libempathy/empathy-contact.h>
  38 #include <libempathy/empathy-utils.h>
  39 #include <libempathy/empathy-debug.h>
  40
  41 #include "empathy-group-chat.h"
  42 #include "empathy-chat.h"
  43 #include "empathy-chat-view.h"
  44 #include "empathy-contact-list-store.h"
  45 #include "empathy-contact-list-view.h"
  46 //#include "empathy-chat-invite.h"
  47 //#include "empathy-sound.h"
  48 #include "empathy-images.h"
  49 #include "empathy-ui-utils.h"
  50
  51 #define DEBUG_DOMAIN "GroupChat"
  52
  53 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_GROUP_CHAT, EmpathyGroupChatPriv))
  54
  55 struct _EmpathyGroupChatPriv {
  56         EmpathyContactListStore *store;
  57         EmpathyContactListView  *view;
  58         EmpathyTpChatroom      *tp_chat;
  59
  60         GtkWidget              *widget;
  61         GtkWidget              *hpaned;
  62         GtkWidget              *vbox_left;
  63         GtkWidget              *scrolled_window_chat;
  64         GtkWidget              *scrolled_window_input;
  65         GtkWidget              *scrolled_window_contacts;
  66         GtkWidget              *hbox_topic;
  67         GtkWidget              *label_topic;
  68
  69         gchar                  *topic;
  70         gchar                  *name;
  71         GCompletion            *completion;
  72
  73         gint                    contacts_width;
  74         gboolean                contacts_visible;
  75 };
  76
  77 static void          group_chat_finalize                 (GObject           *object);
  78 static void          group_chat_create_ui                (EmpathyGroupChat   *chat);
  79 static void          group_chat_widget_destroy_cb        (GtkWidget         *widget,
  80                                                           EmpathyGroupChat   *chat);
  81 static void          group_chat_contact_added_cb         (EmpathyTpChatroom *tp_chat,
  82                                                           EmpathyContact     *contact,
  83                                                           EmpathyGroupChat   *chat);
  84 static void          group_chat_contact_removed_cb       (EmpathyTpChatroom *tp_chat,
  85                                                           EmpathyContact     *contact,
  86                                                           EmpathyGroupChat   *chat);
  87 /*static void          group_chat_topic_changed_cb         (EmpathyTpChatroom *tp_chat,
  88                                                           const gchar       *new_topic,
  89                                                           EmpathyGroupChat   *chat);*/
  90 static void          group_chat_topic_entry_activate_cb  (GtkWidget         *entry,
  91                                                           GtkDialog         *dialog);
  92 static void          group_chat_topic_response_cb        (GtkWidget         *dialog,
  93                                                           gint               response,
  94                                                           EmpathyGroupChat   *chat);
  95 static const gchar * group_chat_get_name                 (EmpathyChat        *chat);
  96 static gchar *       group_chat_get_tooltip              (EmpathyChat        *chat);
  97 static const gchar * group_chat_get_status_icon_name     (EmpathyChat        *chat);
  98 static GtkWidget *   group_chat_get_widget               (EmpathyChat        *chat);
  99 static gboolean      group_chat_is_group_chat            (EmpathyChat        *chat);
 100 static void          group_chat_set_tp_chat              (EmpathyChat        *chat,
 101                                                           EmpathyTpChat     *tp_chat);
 102 static void          group_chat_subject_notify_cb        (EmpathyTpChat     *tp_chat,
 103                                                           GParamSpec        *param,
 104                                                           EmpathyGroupChat   *chat);
 105 static void          group_chat_name_notify_cb           (EmpathyTpChat     *tp_chat,
 106                                                           GParamSpec        *param,
 107                                                           EmpathyGroupChat   *chat);
 108 /*static gboolean      group_chat_key_press_event          (GtkWidget         *widget,
 109                                                           GdkEventKey       *event,
 110                                                           EmpathyGroupChat   *chat);*/
 111 static gint          group_chat_contacts_completion_func (const gchar       *s1,
 112                                                           const gchar       *s2,
 113                                                           gsize              n);
 114
 115 G_DEFINE_TYPE (EmpathyGroupChat, empathy_group_chat, EMPATHY_TYPE_CHAT)
 116
 117 static void
 118 empathy_group_chat_class_init (EmpathyGroupChatClass *klass)
 119 {
 120         GObjectClass    *object_class;
 121         EmpathyChatClass *chat_class;
 122
 123         object_class = G_OBJECT_CLASS (klass);
 124         chat_class = EMPATHY_CHAT_CLASS (klass);
 125
 126         object_class->finalize           = group_chat_finalize;
 127
 128         chat_class->get_name             = group_chat_get_name;
 129         chat_class->get_tooltip          = group_chat_get_tooltip;
 130         chat_class->get_status_icon_name = group_chat_get_status_icon_name;
 131         chat_class->get_widget           = group_chat_get_widget;
 132         chat_class->is_group_chat        = group_chat_is_group_chat;
 133         chat_class->set_tp_chat          = group_chat_set_tp_chat;
 134
 135         g_type_class_add_private (object_class, sizeof (EmpathyGroupChatPriv));
 136 }
 137
 138 static void
 139 empathy_group_chat_init (EmpathyGroupChat *chat)
 140 {
 141         EmpathyGroupChatPriv *priv;
 142         EmpathyChatView      *chatview;
 143
 144         priv = GET_PRIV (chat);
 145
 146         priv->contacts_visible = TRUE;
 147
 148         chatview = EMPATHY_CHAT_VIEW (EMPATHY_CHAT (chat)->view);
 149         empathy_chat_view_set_is_group_chat (chatview, TRUE);
 150
 151         group_chat_create_ui (chat);
 152 }
 153
 154 static void
 155 group_chat_finalize (GObject *object)
 156 {
 157         EmpathyGroupChat     *chat;
 158         EmpathyGroupChatPriv *priv;
 159
 160         empathy_debug (DEBUG_DOMAIN, "Finalized:%p", object);
 161
 162         chat = EMPATHY_GROUP_CHAT (object);
 163         priv = GET_PRIV (chat);
 164
 165         g_free (priv->name);
 166         g_free (priv->topic);
 167         g_object_unref (priv->store);
 168         g_object_unref (priv->tp_chat);
 169         g_completion_free (priv->completion);
 170
 171         G_OBJECT_CLASS (empathy_group_chat_parent_class)->finalize (object);
 172 }
 173
 174 EmpathyGroupChat *
 175 empathy_group_chat_new (McAccount *account,
 176                        TpChan    *tp_chan)
 177 {
 178         EmpathyGroupChat     *chat;
 179         EmpathyGroupChatPriv *priv;
 180
 181         g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
 182         g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
 183
 184         chat = g_object_new (EMPATHY_TYPE_GROUP_CHAT, NULL);
 185
 186         priv = GET_PRIV (chat);
 187
 188         EMPATHY_CHAT (chat)->account = g_object_ref (account);
 189         priv->tp_chat = empathy_tp_chatroom_new (account, tp_chan);
 190         empathy_chat_set_tp_chat (EMPATHY_CHAT (chat), EMPATHY_TP_CHAT (priv->tp_chat));
 191
 192         return chat;
 193 }
 194
 195 gboolean
 196 empathy_group_chat_get_show_contacts (EmpathyGroupChat *chat)
 197 {
 198         EmpathyGroupChat     *group_chat;
 199         EmpathyGroupChatPriv *priv;
 200
 201         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 202
 203         group_chat = EMPATHY_GROUP_CHAT (chat);
 204         priv = GET_PRIV (group_chat);
 205
 206         return priv->contacts_visible;
 207 }
 208
 209 void
 210 empathy_group_chat_set_show_contacts (EmpathyGroupChat *chat,
 211                                      gboolean         show)
 212 {
 213         EmpathyGroupChat     *group_chat;
 214         EmpathyGroupChatPriv *priv;
 215
 216         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 217
 218         group_chat = EMPATHY_GROUP_CHAT (chat);
 219         priv = GET_PRIV (group_chat);
 220
 221         priv->contacts_visible = show;
 222
 223         if (show) {
 224                 gtk_widget_show (priv->scrolled_window_contacts);
 225                 gtk_paned_set_position (GTK_PANED (priv->hpaned),
 226                                         priv->contacts_width);
 227         } else {
 228                 priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
 229                 gtk_widget_hide (priv->scrolled_window_contacts);
 230         }
 231 }
 232
 233 void
 234 empathy_group_chat_set_topic (EmpathyGroupChat *chat)
 235 {
 236         EmpathyGroupChatPriv *priv;
 237         EmpathyChatWindow    *chat_window;
 238         GtkWidget           *chat_dialog;
 239         GtkWidget           *dialog;
 240         GtkWidget           *entry;
 241         GtkWidget           *hbox;
 242         const gchar         *topic;
 243
 244         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 245
 246         priv = GET_PRIV (chat);
 247
 248         chat_window = empathy_chat_get_window (EMPATHY_CHAT (chat));
 249         chat_dialog = empathy_chat_window_get_dialog (chat_window);
 250
 251         dialog = gtk_message_dialog_new (GTK_WINDOW (chat_dialog),
 252                                          0,
 253                                          GTK_MESSAGE_QUESTION,
 254                                          GTK_BUTTONS_OK_CANCEL,
 255                                          _("Enter the new topic you want to set for this room:"));
 256
 257         topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
 258
 259         hbox = gtk_hbox_new (FALSE, 0);
 260         gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
 261                             hbox, FALSE, TRUE, 4);
 262
 263         entry = gtk_entry_new ();
 264         gtk_entry_set_text (GTK_ENTRY (entry), topic);
 265         gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
 266
 267         gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 4);
 268
 269         g_object_set (GTK_MESSAGE_DIALOG (dialog)->label, "use-markup", TRUE, NULL);
 270         g_object_set_data (G_OBJECT (dialog), "entry", entry);
 271
 272         g_signal_connect (entry, "activate",
 273                           G_CALLBACK (group_chat_topic_entry_activate_cb),
 274                           dialog);
 275         g_signal_connect (dialog, "response",
 276                           G_CALLBACK (group_chat_topic_response_cb),
 277                           chat);
 278
 279         gtk_widget_show_all (dialog);
 280 }
 281
 282 static void
 283 group_chat_create_ui (EmpathyGroupChat *chat)
 284 {
 285         EmpathyGroupChatPriv *priv;
 286         GladeXML            *glade;
 287         GList               *list = NULL;
 288
 289         priv = GET_PRIV (chat);
 290
 291         glade = empathy_glade_get_file ("empathy-group-chat.glade",
 292                                        "group_chat_widget",
 293                                        NULL,
 294                                        "group_chat_widget", &priv->widget,
 295                                        "hpaned", &priv->hpaned,
 296                                        "vbox_left", &priv->vbox_left,
 297                                        "scrolled_window_chat", &priv->scrolled_window_chat,
 298                                        "scrolled_window_input", &priv->scrolled_window_input,
 299                                        "hbox_topic", &priv->hbox_topic,
 300                                        "label_topic", &priv->label_topic,
 301                                        "scrolled_window_contacts", &priv->scrolled_window_contacts,
 302                                        NULL);
 303
 304         empathy_glade_connect (glade,
 305                               chat,
 306                               "group_chat_widget", "destroy", group_chat_widget_destroy_cb,
 307                               NULL);
 308
 309         g_object_unref (glade);
 310
 311         g_object_set_data (G_OBJECT (priv->widget), "chat", g_object_ref (chat));
 312
 313         /* Add room GtkTextView. */
 314         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
 315                            GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 316         gtk_widget_show (GTK_WIDGET (EMPATHY_CHAT (chat)->view));
 317
 318         /* Add input GtkTextView */
 319         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
 320                            EMPATHY_CHAT (chat)->input_text_view);
 321         gtk_widget_show (EMPATHY_CHAT (chat)->input_text_view);
 322
 323         /* Add nick name completion */
 324         priv->completion = g_completion_new (NULL);
 325         g_completion_set_compare (priv->completion,
 326                                   group_chat_contacts_completion_func);
 327
 328         /* Set widget focus order */
 329         list = g_list_append (NULL, priv->scrolled_window_input);
 330         gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
 331         g_list_free (list);
 332
 333         list = g_list_append (NULL, priv->vbox_left);
 334         list = g_list_append (list, priv->scrolled_window_contacts);
 335         gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
 336         g_list_free (list);
 337
 338         list = g_list_append (NULL, priv->hpaned);
 339         list = g_list_append (list, priv->hbox_topic);
 340         gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
 341         g_list_free (list);
 342 }
 343
 344 static void
 345 group_chat_widget_destroy_cb (GtkWidget       *widget,
 346                               EmpathyGroupChat *chat)
 347 {
 348         empathy_debug (DEBUG_DOMAIN, "Destroyed");
 349
 350         g_object_unref (chat);
 351 }
 352
 353 static void
 354 group_chat_contact_added_cb (EmpathyTpChatroom *tp_chat,
 355                              EmpathyContact     *contact,
 356                              EmpathyGroupChat   *chat)
 357 {
 358         EmpathyGroupChatPriv *priv;
 359         gchar               *str;
 360
 361         priv = GET_PRIV (chat);
 362
 363         str = g_strdup_printf (_("%s has joined the room"),
 364                                empathy_contact_get_name (contact));
 365         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 366         g_free (str);
 367 }
 368
 369 static void
 370 group_chat_contact_removed_cb (EmpathyTpChatroom *tp_chat,
 371                                EmpathyContact     *contact,
 372                                EmpathyGroupChat   *chat)
 373 {
 374         EmpathyGroupChatPriv *priv;
 375         gchar               *str;
 376
 377         priv = GET_PRIV (chat);
 378
 379         str = g_strdup_printf (_("%s has left the room"),
 380                                empathy_contact_get_name (contact));
 381         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 382         g_free (str);
 383 }
 384
 385 static void
 386 group_chat_topic_entry_activate_cb (GtkWidget *entry,
 387                                     GtkDialog *dialog)
 388 {
 389         gtk_dialog_response (dialog, GTK_RESPONSE_OK);
 390 }
 391
 392 static void
 393 group_chat_topic_response_cb (GtkWidget       *dialog,
 394                               gint             response,
 395                               EmpathyGroupChat *chat)
 396 {
 397         if (response == GTK_RESPONSE_OK) {
 398                 GtkWidget   *entry;
 399                 const gchar *topic;
 400
 401                 entry = g_object_get_data (G_OBJECT (dialog), "entry");
 402                 topic = gtk_entry_get_text (GTK_ENTRY (entry));
 403
 404                 if (!G_STR_EMPTY (topic)) {
 405                         EmpathyGroupChatPriv *priv;
 406
 407                         priv = GET_PRIV (chat);
 408
 409                         empathy_tp_chatroom_set_topic (priv->tp_chat, topic);
 410                 }
 411         }
 412
 413         gtk_widget_destroy (dialog);
 414 }
 415
 416 static const gchar *
 417 group_chat_get_name (EmpathyChat *chat)
 418 {
 419         EmpathyGroupChat     *group_chat;
 420         EmpathyGroupChatPriv *priv;
 421
 422         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 423
 424         group_chat = EMPATHY_GROUP_CHAT (chat);
 425         priv = GET_PRIV (group_chat);
 426
 427         if (!priv->name) {
 428                 const gchar *id;
 429                 const gchar *server;
 430
 431                 id = empathy_chat_get_id (chat);
 432                 server = strstr (id, "@");
 433
 434                 if (server) {
 435                         priv->name = g_strndup (id, server - id);
 436                 } else {
 437                         priv->name = g_strdup (id);
 438                 }
 439         }
 440
 441         return priv->name;
 442 }
 443
 444 static gchar *
 445 group_chat_get_tooltip (EmpathyChat *chat)
 446 {
 447         EmpathyGroupChat     *group_chat;
 448         EmpathyGroupChatPriv *priv;
 449
 450         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 451
 452         group_chat = EMPATHY_GROUP_CHAT (chat);
 453         priv = GET_PRIV (group_chat);
 454
 455         if (priv->topic) {
 456                 gchar *topic, *tmp;
 457
 458                 topic = g_strdup_printf (_("Topic: %s"), priv->topic);
 459                 tmp = g_strdup_printf ("%s\n%s", priv->name, topic);
 460                 g_free (topic);
 461
 462                 return tmp;
 463         }
 464
 465         return g_strdup (priv->name);
 466 }
 467
 468 static const gchar *
 469 group_chat_get_status_icon_name (EmpathyChat *chat)
 470 {
 471         return EMPATHY_IMAGE_GROUP_MESSAGE;
 472 }
 473
 474 static GtkWidget *
 475 group_chat_get_widget (EmpathyChat *chat)
 476 {
 477         EmpathyGroupChat     *group_chat;
 478         EmpathyGroupChatPriv *priv;
 479
 480         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), NULL);
 481
 482         group_chat = EMPATHY_GROUP_CHAT (chat);
 483         priv = GET_PRIV (group_chat);
 484
 485         return priv->widget;
 486 }
 487
 488 static gboolean
 489 group_chat_is_group_chat (EmpathyChat *chat)
 490 {
 491         g_return_val_if_fail (EMPATHY_IS_GROUP_CHAT (chat), FALSE);
 492
 493         return TRUE;
 494 }
 495
 496 static void
 497 group_chat_set_tp_chat (EmpathyChat    *chat,
 498                         EmpathyTpChat *tp_chat)
 499 {
 500         EmpathyGroupChat     *group_chat;
 501         EmpathyGroupChatPriv *priv;
 502
 503         g_return_if_fail (EMPATHY_IS_GROUP_CHAT (chat));
 504
 505         group_chat = EMPATHY_GROUP_CHAT (chat);
 506         priv = GET_PRIV (group_chat);
 507
 508         /* Free all resources related to tp_chat */
 509         if (priv->tp_chat) {
 510                 g_object_unref (priv->tp_chat);
 511                 priv->tp_chat = NULL;
 512         }
 513         if (priv->view) {
 514                 gtk_widget_destroy (GTK_WIDGET (priv->view));
 515                 g_object_unref (priv->store);
 516         }
 517         g_free (priv->name);
 518         g_free (priv->topic);
 519         priv->name = NULL;
 520         priv->topic = NULL;
 521
 522         if (!tp_chat) {
 523                 /* We are no more connected */
 524                 gtk_widget_set_sensitive (priv->hbox_topic, FALSE);
 525                 gtk_widget_set_sensitive (priv->scrolled_window_contacts, FALSE);
 526                 return;
 527         }
 528
 529         /* We are connected */
 530         gtk_widget_set_sensitive (priv->hbox_topic, TRUE);
 531         gtk_widget_set_sensitive (priv->scrolled_window_contacts, TRUE);
 532
 533         priv->tp_chat = g_object_ref (tp_chat);
 534
 535         /* FIXME: Ask the user before accepting */
 536         empathy_tp_chatroom_accept_invitation (priv->tp_chat);
 537
 538         /* Create contact list */
 539         priv->store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
 540         priv->view = empathy_contact_list_view_new (priv->store);
 541         gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
 542                            GTK_WIDGET (priv->view));
 543         gtk_widget_show (GTK_WIDGET (priv->view));
 544
 545         /* Connect signals */
 546         g_signal_connect (priv->tp_chat, "contact-added",
 547                           G_CALLBACK (group_chat_contact_added_cb),
 548                           chat);
 549         g_signal_connect (priv->tp_chat, "contact-removed",
 550                           G_CALLBACK (group_chat_contact_removed_cb),
 551                           chat);
 552         g_signal_connect (priv->tp_chat, "notify::subject",
 553                           G_CALLBACK (group_chat_subject_notify_cb),
 554                           chat);
 555         g_signal_connect (priv->tp_chat, "notify::name",
 556                           G_CALLBACK (group_chat_name_notify_cb),
 557                           chat);
 558 }
 559
 560 static void
 561 group_chat_subject_notify_cb (EmpathyTpChat   *tp_chat,
 562                               GParamSpec      *param,
 563                               EmpathyGroupChat *chat)
 564 {
 565         EmpathyGroupChatPriv *priv;
 566         gchar               *str;
 567
 568         priv = GET_PRIV (chat);
 569
 570         g_free (priv->topic);
 571
 572         g_object_get (priv->tp_chat, "subject", &priv->topic, NULL);
 573         gtk_label_set_text (GTK_LABEL (priv->label_topic), priv->topic);
 574
 575         str = g_strdup_printf (_("Topic set to: %s"), priv->topic);
 576         empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, str);
 577         g_free (str);
 578 }
 579
 580 static void
 581 group_chat_name_notify_cb (EmpathyTpChat   *tp_chat,
 582                            GParamSpec      *param,
 583                            EmpathyGroupChat *chat)
 584 {
 585         EmpathyGroupChatPriv *priv;
 586
 587         priv = GET_PRIV (chat);
 588
 589         g_free (priv->name);
 590         g_object_get (priv->tp_chat, "name", &priv->name, NULL);
 591 }
 592
 593 #if 0
 594 static gboolean
 595 group_chat_key_press_event (GtkWidget       *widget,
 596                             GdkEventKey     *event,
 597                             EmpathyGroupChat *chat)
 598 {
 599         EmpathyGroupChatPriv *priv;
 600         GtkAdjustment       *adj;
 601         gdouble              val;
 602         GtkTextBuffer       *buffer;
 603         GtkTextIter          start, current;
 604         gchar               *nick, *completed;
 605         gint                 len;
 606         GList               *list, *l, *completed_list;
 607         gboolean             is_start_of_buffer;
 608
 609         priv = GET_PRIV (chat);
 610
 611         if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
 612             (event->state & GDK_SHIFT_MASK) != GDK_SHIFT_MASK &&
 613             event->keyval == GDK_Tab) {
 614                 buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (EMPATHY_CHAT (chat)->input_text_view));
 615                 gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
 616
 617                 /* Get the start of the nick to complete. */
 618                 gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
 619                 gtk_text_iter_backward_word_start (&start);
 620                 is_start_of_buffer = gtk_text_iter_is_start (&start);
 621
 622                 nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
 623
 624                 g_completion_clear_items (priv->completion);
 625
 626                 len = strlen (nick);
 627
 628                 list = group_chat_get_nick_list (chat);
 629
 630                 g_completion_add_items (priv->completion, list);
 631
 632                 completed_list = g_completion_complete (priv->completion,
 633                                                         nick,
 634                                                         &completed);
 635
 636                 g_free (nick);
 637
 638                 if (completed) {
 639                         int       len;
 640                         gchar    *text;
 641
 642                         gtk_text_buffer_delete (buffer, &start, &current);
 643
 644                         len = g_list_length (completed_list);
 645
 646                         if (len == 1) {
 647                                 /* If we only have one hit, use that text
 648                                  * instead of the text in completed since the
 649                                  * completed text will use the typed string
 650                                  * which might be cased all wrong.
 651                                  * Fixes #120876
 652                                  * */
 653                                 text = (gchar *) completed_list->data;
 654                         } else {
 655                                 text = completed;
 656                         }
 657
 658                         gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
 659
 660                         if (len == 1) {
 661                                 if (is_start_of_buffer) {
 662                                         gtk_text_buffer_insert_at_cursor (buffer, ", ", 2);
 663                                 }
 664                         }
 665
 666                         g_free (completed);
 667                 }
 668
 669                 g_completion_clear_items (priv->completion);
 670
 671                 for (l = list; l; l = l->next) {
 672                         g_free (l->data);
 673                 }
 674
 675                 g_list_free (list);
 676
 677                 return TRUE;
 678         }
 679
 680         return FALSE;
 681 }
 682 #endif
 683
 684 static gint
 685 group_chat_contacts_completion_func (const gchar *s1,
 686                                      const gchar *s2,
 687                                      gsize        n)
 688 {
 689         gchar *tmp, *nick1, *nick2;
 690         gint   ret;
 691
 692         tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
 693         nick1 = g_utf8_casefold (tmp, -1);
 694         g_free (tmp);
 695
 696         tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
 697         nick2 = g_utf8_casefold (tmp, -1);
 698         g_free (tmp);
 699
 700         ret = strncmp (nick1, nick2, n);
 701
 702         g_free (nick1);
 703         g_free (nick2);
 704
 705         return ret;
 706 }
 707